Central Valley Weather in September

Central Valley in September sees high daytime temperatures of 24°C (75°F) and nighttime lows of 13°C (55°F). Rainfall is fairly high this month at around 100 mm (3.9 in), so pack a rain jacket to stay dry.

Rainfall in Central Valley in September

Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 100 mm (3.9 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Central Valley in September

September in Central Valley brings high temperatures, with highs of 24°C (75°F) and nights around 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Central Valley in September

Expect sunny days throughout the month, with an estimated 218 hours of sunshine. This makes it a pleasant time to visit Central Valley.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Central Valley's climate page.

Central Valley Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 30%  

Precipitation 100 mm (3.9 in)  

Rainy days 9 days  

Humidity 68% *  

Sunshine 218 hours *  

Percentage Sunshine 59% *  

* Data from: New York City, the United States of America (65 KM, 40 Miles).

What to Wear in Central Valley in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Central Valley in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Central Valley's climate page.

More climate data for Central Valley

Temperature Rainfall Sunshine Humidity

See the full Central Valley climate overview or explore weather in the United States of America.